Across
- 2. a horizontal row of elements in the periodic table.
- 5. a 1-, 2-, 3- abbreviation of the name of an element
- 7. an element that contains properties of both metals and nonmetals
- 8. the weighted average of mass of all naturally occurring isotopes of an element.
Down
- 1. an element that conducts heat and electricity poorly.
- 3. a vertical column of elements in the periodic table; elements in a group share chemical properties.
- 4. an element that is shiny and that conducts heat and electricity well.
- 6. an arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column or group